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Showing 1 to 1 of 1 for “"x-ray edge singularities"”.
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Many-body effects in metals, modulation doped quantum wells and doped semiconductors
A new approach to the problem of X-ray edge singularities and peaks of many-body origin observed in the optical spectra is presented. We first establish the analogy between a system of one hole interacting with many electrons and the polaron, where one electron interacts with many phonons. We …